3312-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3312-31-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,1 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3312-31:
(6*3)+(5*3)+(4*1)+(3*2)+(2*3)+(1*1)=50
50 % 10 = 0
So 3312-31-0 is a valid CAS Registry Number.